* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }

        #header {
            background: linear-gradient(135deg, #2c5aa0 0%, #1e4278 100%);
            padding: 20px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        #headerCenter {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        #logo {
            color: #fff;
            font-size: 24px;
            font-weight: bold;
            text-decoration: none;
            margin-bottom: 10px;
        }

        nav {
            display: flex;
            gap: 25px;
            flex-wrap: wrap;
            align-items: center;
        }

        nav a {
            color: #fff;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 4px;
            transition: background-color 0.3s ease;
            font-size: 15px;
        }

        nav a:hover,
        nav a#curPage {
            background-color: rgba(255, 255, 255, 0.2);
        }

        #followUs {
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 20px 0;
            text-align: right;
        }

        #followUs p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
        }

        .page {
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 20px;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 20px rgba(0,0,0,0.08);
        }

        h1 {
            color: #2c5aa0;
            font-size: 36px;
            margin: 40px 0 25px;
            padding: 0 20px;
            line-height: 1.3;
        }

        article {
            padding: 0 20px 30px;
        }

        article h2 {
            color: #1e4278;
            font-size: 28px;
            margin: 30px 0 20px;
            line-height: 1.4;
        }

        article h3 {
            color: #2c5aa0;
            font-size: 22px;
            margin: 25px 0 15px;
        }

        article h4 {
            color: #333;
            font-size: 18px;
            margin: 20px 0 12px;
        }

        article p {
            margin-bottom: 18px;
            font-size: 16px;
            color: #555;
            line-height: 1.8;
        }

        article ul,
        article ol {
            margin: 15px 0 15px 25px;
        }

        article li {
            margin-bottom: 10px;
            color: #555;
            line-height: 1.7;
        }

        .transition-section {
            background-color: #f9f9f9;
            padding: 30px 20px;
            margin: 30px 0;
            border-left: 4px solid #2c5aa0;
        }

        .transition-section p {
            font-size: 16px;
            color: #555;
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .links-section {
            background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
            padding: 40px 20px;
            margin: 30px 0;
            border-radius: 8px;
            border: 1px solid #e0e0e0;
        }

        .links-section h3 {
            color: #2c5aa0;
            font-size: 22px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #2c5aa0;
        }

        .links-section ul {
            list-style: none;
            margin: 0;
            padding: 0;
            column-count: 2;
            column-gap: 40px;
        }

        .links-section li {
            margin-bottom: 12px;
            break-inside: avoid;
        }

        .links-section a {
            color: #1e4278;
            text-decoration: none;
            font-size: 15px;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
            line-height: 1.6;
        }

        .links-section a:hover {
            color: #2c5aa0;
            padding-left: 5px;
        }

        .links-section a::before {
            content: "→ ";
            color: #2c5aa0;
            margin-right: 5px;
        }

        #footer {
            background-color: #1e4278;
            color: #fff;
            padding: 25px 20px;
            text-align: center;
            margin-top: 50px;
        }

        #footer p {
            max-width: 1200px;
            margin: 0 auto;
            font-size: 14px;
            line-height: 1.6;
        }

        #footer a {
            color: #fff;
            text-decoration: underline;
            margin-left: 15px;
        }

        #footer a:hover {
            color: #cce0ff;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 28px;
                margin: 30px 0 20px;
            }

            article h2 {
                font-size: 24px;
            }

            article h3 {
                font-size: 20px;
            }

            #headerCenter {
                flex-direction: column;
                align-items: flex-start;
            }

            nav {
                width: 100%;
                gap: 15px;
            }

            nav a {
                font-size: 14px;
                padding: 6px 12px;
            }

            #followUs {
                text-align: left;
                padding-top: 10px;
            }

            .links-section ul {
                column-count: 1;
            }

            .page {
                margin: 20px auto;
            }

            article p,
            .transition-section p {
                font-size: 15px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 24px;
            }

            article h2 {
                font-size: 20px;
            }

            nav {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            nav a {
                width: 100%;
            }
        }